LANGE 1 MOON PHASE by A. Lange & Söhne

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February 2017

Lange 1 Moon Phase in pink gold. The asymmetric solid silver dial sets a remarkably harmonious stage for the luminous time and power-reserve indications complemented with an outsize date, the moonphase display, and the day/night indicator. The model is available in white gold/black, pink gold/ silvered, and platinum/rhodium plated case/dial combinations.

In 2002, the Lange 1 Moon Phase enriched  A. Lange & Söhne’s most successful watch family with a model featuring the popular astronomical complication. It has now been endowed with a new movement and takes a particularly realistic approach by combining the moon-phase display with a day/night indicator.
The arrangement of the display is based on a new, particularly realistic concept. A separate solid-gold moon pursues its orbit in the foreground. Behind it, a celestial disc – also made of solid gold – performs exactly one revolution every 24 hours. On the disc, the different times of day are represented by varying blue hues caused by interference effects. During the day, it shows a bright sky without stars, while at night it depicts a dark sky with prominently contrasting laser-cut stars. Thus, the moon always orbits against a realistic background that doubles as a day/night indicator when setting the watch.
This 20th Lange calibre with a moon-phase display is based on the Lange 1 movement introduced two years ago, and it has the same performance attributes. This includes the characteristic twin mainspring barrel with a maximum power reserve of 72 hours and the precisely jumping outsize date display. The Lange 1 Moon Phase also features an escapement with a cam-poised balance and a free-sprung Lange hairspring. Suspended beneath the hand-engraved balance cock, it beats with a frequency of 21,600 semi-oscillations per hour.

Source: Europa Star TIME.BUSINESS/TIME.KEEPER Dec. 2016 - Jan. 2017